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Find the electric force between two protons separated by a distance of 1 fermi (1 fermi = 10-15 m). The protons in a nucleus remain at a separation of this order.

Hrishant Goswami , 11 Years ago
Grade 10
anser 3 Answers
Jitender Pal

Last Activity: 11 Years ago

Sol. Charge on each proton = a= 1.6 10^-19 coulomb Distance between charges = 10 * 10^-15 metre = r Force = kq^2/r^2 = 9 * 10^9 * 1.6 * 1.6 * 10^-38/10^-38 = 9 * 2.56 * 10 = 230.4 Netwon

Arun Kumar

Last Activity: 11 Years ago

Hello
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

Apoorva Arora

Last Activity: 11 Years ago

force is given by
F=\frac{kq_{1}q_{2}}{r^{2}}
putting all the values
F= 230.4 newtons
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

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